1Zpresso Z-pro of hand-cracked grinders was operated by using external dial with patent. It is as intuitive and convenient as using electric grinder machine; the device with three bearings ensures the evenness of the grinding. The quick release with no tools structural design solves the problem of cleaning. The entire body of the device is made in metal with various options for colours, and the appearance can be changed at any time as well. The twill waist shows the characteristics of the brand. The wood manual ball is pleasant to hold and ensures comfortable operation.